FZHW50 PHFO 261339 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 339 AM HST Thu Feb 26 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 339 AM HST Thu Feb 26 2026 .Synopsis for Hawaiian coastal waters... The surface ridge to the north will remain strong into tonight, then weaken Friday into the weekend as a cold front approaches and moves into the area.
Kauai Northwest Waters- 339 AM HST Thu Feb 26 2026
TODAY East southeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 5 feet at 6 seconds and north northeast 5 feet at 12 seconds.
TONIGHT East southeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: North northeast 5 feet at 12 seconds and east 4 feet at 6 seconds. Isolated showers.
FRIDAY Southeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 6 seconds and north northeast 4 feet at 11 seconds.
FRIDAY NIGHT South southeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East 3 feet at 5 seconds, north northeast 3 feet at 10 seconds and northwest 3 feet at 11 seconds. Isolated showers.
SATURDAY Southeast winds 10 to 15 knots, becoming 7 to 10 knots in the afternoon. Seas 5 to 6 feet. Wave Detail: Northwest 4 feet at 14 seconds, east 3 feet at 5 seconds and north northeast 3 feet at 10 seconds. Isolated showers in the morning.
SATURDAY NIGHT Southeast winds 7 to 10 knots. Seas 6 to 7 feet. Wave Detail: Northwest 5 feet at 13 seconds, east 4 feet at 6 seconds and northeast 3 feet at 9 seconds. Isolated showers.
SUNDAY Winds variable less than 10 knots, becoming east northeast 7 to 10 knots. Seas to 7 feet. Wave Detail: Northwest 6 feet at 13 seconds, east 4 feet at 6 seconds and northeast 3 feet at 11 seconds. Scattered showers through the night, then isolated showers in the evening.
MONDAY East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: Northwest 6 feet at 12 seconds and east 5 feet at 7 seconds.
Kauai Windward Waters- 339 AM HST Thu Feb 26 2026
TODAY East southeast winds to 15 knots. Seas 6 to 7 feet. Wave Detail: East southeast 5 feet at 6 seconds and north northeast 5 feet at 12 seconds.
TONIGHT East southeast winds to 15 knots. Seas to 6 feet. Wave Detail: North northeast 5 feet at 11 seconds and east southeast 4 feet at 6 seconds. Isolated showers after midnight.
FRIDAY Southeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East southeast 4 feet at 6 seconds and north northeast 4 feet at 11 seconds.
FRIDAY NIGHT Southeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 5 seconds, north northeast 3 feet at 10 seconds and northwest 3 feet at 10 seconds. Isolated showers after midnight.
SATURDAY East southeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East southeast 4 feet at 5 seconds, northwest 4 feet at 14 seconds and north northeast 3 feet at 10 seconds.
SATURDAY NIGHT Southeast winds to 10 knots. Seas 6 to 7 feet. Wave Detail: Northwest 5 feet at 13 seconds, east southeast 4 feet at 6 seconds and northeast 3 feet at 9 seconds. Isolated showers.
SUNDAY South winds 7 to 10 knots in the morning, becoming variable less than 10 knots, then becoming east northeast to 10 knots after midnight. Seas 6 to 8 feet. Wave Detail: Northwest 6 feet at 14 seconds, east southeast 4 feet at 7 seconds and northeast 3 feet at 12 seconds. Scattered showers through the night, then isolated showers through the day.
MONDAY East northeast winds 10 to 15 knots, becoming east to 20 knots. Seas 6 to 8 feet. Wave Detail: East southeast 6 feet at 7 seconds and northwest 6 feet at 12 seconds.
Kauai Leeward Waters- 339 AM HST Thu Feb 26 2026
TODAY East winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East southeast 5 feet at 6 seconds and north northeast 5 feet at 12 seconds.
TONIGHT East southeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East southeast 4 feet at 6 seconds and north northeast 4 feet at 12 seconds. Isolated showers after midnight.
FRIDAY South southeast winds to 15 knots. Seas 4 to 6 feet. Wave Detail: Southeast 4 feet at 6 seconds and north northeast 4 feet at 11 seconds.
FRIDAY NIGHT Southeast winds to 10 knots. Seas 4 to 6 feet. Wave Detail: Southeast 4 feet at 5 seconds, north northeast 3 feet at 10 seconds and northwest 3 feet at 10 seconds.
SATURDAY Southeast winds to 10 knots. Seas 4 to 6 feet. Wave Detail: Northwest 4 feet at 14 seconds, southeast 3 feet at 5 seconds and north northeast 3 feet at 10 seconds.
SATURDAY NIGHT Winds variable less than 10 knots. Seas 5 to 7 feet. Wave Detail: Northwest 5 feet at 13 seconds and southeast 3 feet at 5 seconds. Isolated showers after midnight.
SUNDAY Winds variable less than 10 knots, becoming east northeast to 10 knots. Seas 5 to 7 feet. Wave Detail: Northwest 6 feet at 13 seconds, east southeast 3 feet at 6 seconds and northeast 3 feet at 11 seconds. Scattered showers .
MONDAY East northeast winds 10 to 15 knots, becoming east 15 to 20 knots. In the Kaulakahi Channel, east northeast winds 15 to 20 knots, becoming east 10 to 15 knots in the evening, rising to 15 to 20 knots after midnight. Seas 5 to 7 feet. Wave Detail: East 6 feet at 7 seconds and northwest 6 feet at 12 seconds.
Kauai Channel- 339 AM HST Thu Feb 26 2026
TODAY East winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East southeast 5 feet at 6 seconds and north northeast 5 feet at 12 seconds.
TONIGHT East southeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East southeast 4 feet at 6 seconds and north northeast 4 feet at 11 seconds. Isolated showers after midnight.
FRIDAY Southeast winds to 10 knots. Seas 4 to 6 feet. Wave Detail: Southeast 4 feet at 6 seconds and north northeast 4 feet at 11 seconds.
FRIDAY NIGHT East southeast winds 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and north northeast 3 feet at 10 seconds.
SATURDAY East southeast winds 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds, north northeast 3 feet at 10 seconds and northwest 3 feet at 13 seconds.
SATURDAY NIGHT East southeast winds 7 to 10 knots. Seas 4 to 6 feet. Wave Detail: East southeast 3 feet at 5 seconds, northeast 3 feet at 10 seconds and northwest 3 feet at 13 seconds. Isolated showers after midnight.
SUNDAY Winds variable less than 10 knots, becoming east northeast to 10 knots. Seas 4 to 6 feet. Wave Detail: Northwest 4 feet at 13 seconds, east 3 feet at 6 seconds and northeast 3 feet at 11 seconds. Scattered showers .
MONDAY East northeast winds 10 to 15 knots, rising to 20 knots. Seas 4 to 6 feet. Wave Detail: East northeast 6 feet at 6 seconds and northwest 4 feet at 12 seconds.
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